Press Release

Aspen Technology, Inc. (NASDAQ: AZPN), a leading provider of software and services to the process
industries, today announced that it will release financial results for
its first-quarter fiscal 2017, ended September 30, 2016, after the U.S.
financial markets close on Thursday, October 27, 2016.

In conjunction with this
announcement, AspenTech will host a conference call and webcast on October 27, 2016
at 4:30 p.m. (Eastern Time) to discuss the company's financial results,
business outlook, and related corporate and financial matters.

The live dial-in number is (866)
604-6127 or (443) 961-0460, conference ID code 99548515. Interested parties may also
listen to a live webcast of the call by logging on to the Investor Relations
section of AspenTech’s website, http://www.aspentech.com/corporate/investor.cfm, and clicking on the “webcast” link. A replay of the call
will be archived on AspenTech’s website and will also be available via telephone
at (855) 859-2056 or (404) 537-3406, conference ID code 99548515, through November 27, 2016.

About
AspenTech

AspenTech is a leading supplier of software that
optimizes process manufacturing – for energy, chemicals, engineering and
construction, and other industries that manufacture and produce products from a
chemical process. With integrated aspenONE solutions, process manufacturers can
implement best practices for optimizing their engineering, manufacturing and
supply chain operations. As a result, AspenTech customers are better able to
increase capacity, improve margins, reduce costs and become more energy
efficient. To see how the world’s leading process manufacturers rely on
AspenTech to achieve their operational excellence goals, visit www.aspentech.com.